/Engine/Source/Developer/DerivedDataCache/Public/DerivedDataCacheInterface.h
Prefer to use aFDerivedDataPluginInterfaceinstead of generating the key directly.
true if the data was retrieved from the cache.
bool GetSynchronous ( const TCHAR * CacheKey, [TArray](API\Runtime\Core\Containers\TArray)< uint8 > & OutData, FStringView DebugContext )